game.graphics.GUI_InvDisplay.java Source code

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Here is the source code for game.graphics.GUI_InvDisplay.java

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/*******************************************************************************
 * Copyright (c) 2013 Glynn Taylor.
 * All rights reserved. This program and the accompanying materials, 
 * (excluding imported libraries, such as LWJGL and Slick2D)
 * are made available under the terms of the GNU Public License
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Glynn Taylor - initial API and implementation
 ******************************************************************************/
/*
 * Displays a players inventory, can work for any player 
 object.
 */
package game.graphics;

import game.level.entities.mobs.Player;
import game.level.map.TileMap;
import game.states.Game;

import java.io.IOException;
import java.util.ArrayList;

import org.lwjgl.opengl.GL11;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.UnicodeFont;
import org.newdawn.slick.font.effects.ColorEffect;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;
import org.newdawn.slick.util.ResourceLoader;

public class GUI_InvDisplay extends GUI_Object {

    UnicodeFont font;
    private static long LastClickTime;
    private final long RegisterClickDelay = 300;
    private final Player player;
    private final TileMap[] World;
    private final ArrayList<GUI_Button> Buttons = new ArrayList<GUI_Button>();

    @Override
    public void Render() {
        if (Enabled) {

            texture.bind();

            GL11.glBegin(GL11.GL_QUADS);

            GL11.glTexCoord2f(0, 0);
            GL11.glVertex3f(ScreenX, ScreenY, 0);

            GL11.glTexCoord2f(0, 1);
            GL11.glVertex3f(ScreenX, ScreenY + ScreenButtonHeight, 0);

            GL11.glTexCoord2f(1, 1);
            GL11.glVertex3f(ScreenX + ScreenButtonWidth, ScreenY + ScreenButtonHeight, 0);

            GL11.glTexCoord2f(1, 0);
            GL11.glVertex3f(ScreenX + ScreenButtonWidth, ScreenY, 0);

            GL11.glEnd();

            for (int i = 0; i < Buttons.size(); i++) {
                Buttons.get(i).Render();
            }

            player.getInventory().Render(ScreenX + 230, ScreenY + 30, font);

        }

    }

    private final int Height = Game.Height;

    @Override
    public void ProcessInput(int mouseX, int mouseY, boolean mouseDown) {
        if (Enabled) {
            player.getInventory().ProcessInput(mouseX, Height - mouseY, mouseDown);
            for (int i = 0; i < Buttons.size(); i++) {
                if (Buttons.get(i).InsideButton(mouseX, mouseY) && mouseDown
                        && System.currentTimeMillis() - LastClickTime > RegisterClickDelay) {
                    if (i == 0) {
                        // DROP
                        if (player.getInventory().ValidSelection()) {
                            TileMap level = player.GetLevel(World);

                            level.DropItem(player.getX(), player.getY(), player.getInventory().ItemDrop());
                        }
                    } else if (i == 1) {
                        // USE
                        if (player.getInventory().ValidSelection()) {
                            player.getInventory().UseItem(player);
                        }
                    } else if (i == 2) {
                        // UP
                        player.getInventory().DecrementStartRow();
                    } else if (i == 3) {
                        // DOWN
                        player.getInventory().IncrementStartRow();

                    } else if (i == 4) {
                        // Close
                        Enabled = false;

                    }

                    LastClickTime = System.currentTimeMillis();
                } else {
                }
            }
        }

    }

    public GUI_InvDisplay(int startX, int startY, int width, int height, String fontName, Player p, TileMap[] t) {

        ScreenX = startX;
        ScreenY = startY;
        ScreenButtonWidth = width;
        ScreenButtonHeight = height;

        player = p;
        try {
            texture = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/UI/Inv.png"));
            Texture DropTex = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/Items/DropButton.png"));
            Buttons.add(new GUI_Button(ScreenX + 230, startY + 240, 100, 50, DropTex));
            Texture UseTex = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/Items/UseButton.png"));
            Buttons.add(new GUI_Button(ScreenX + 340, startY + 240, 100, 50, UseTex));

            Texture UpTex = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/Items/UpButton.png"));
            Buttons.add(new GUI_Button(ScreenX + 464, startY + 40, 30, 30, UpTex));
            Texture DownTex = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/Items/DownButton.png"));
            Buttons.add(new GUI_Button(ScreenX + 464, startY + 170, 30, 30, DownTex));

            Texture CloseTex = TextureLoader.getTexture("PNG",
                    ResourceLoader.getResourceAsStream("res/Materials/GUI/UI/CloseButton.png"));
            Buttons.add(new GUI_Button(ScreenX + ScreenButtonWidth, startY - 30, 30, 30, CloseTex));
        } catch (IOException e) {
            e.printStackTrace();
        }
        font = LoadFont(fontName);
        World = t;

    }

    public UnicodeFont LoadFont(String name) {
        UnicodeFont font1 = null;
        String fontPath = "res/fonts/" + name + ".ttf";
        try {
            font1 = new UnicodeFont(fontPath, 15, true, false);
        } catch (SlickException e1) {
            e1.printStackTrace();
        }
        font1.addAsciiGlyphs();
        font1.addGlyphs(400, 600);
        font1.getEffects().add(new ColorEffect(java.awt.Color.WHITE));
        try {
            font1.loadGlyphs();
        } catch (SlickException e) {
            e.printStackTrace();
        }
        return font1;
    }

}